* FAQ: updated FAQ with config file issues.
* configure.ac.in: use -mms-bitfields instead of -fnative-struct for
   mingw32 gcc-3.x.
* include/interface.h, modules/misc/dummy/interface.c, modules/misc/logger/logger.c,
   modules/control/rc/rc.c: Display message on Win32 explaining how to get
   back to the GUI mode.
* src/misc/threads.c, include/vlc_threads_funcs.h: ignore the
   win9x-cv-method config option on WinNT when fast-mutex is not enabled.